I have vacuum baked those cards with good results, I don' t think the 
parameters matter much but I used 27" vacuum at 62C.

Chuck


Charles W. Brummer | 3M Manufacturing Engineer
3M Electronic Solutions Division
3M Canoga Park, 8357 Canoga Ave. | Canoga Park, CA 91304
Office: 818 734 4930
[log in to unmask] | www.3M.com


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From:
Blair Hogg <[log in to unmask]>
To:
<[log in to unmask]>
Date:
02/14/2012 01:13 PM
Subject:
[TN] Restoration of Humidity Indicator Cards
Sent by:
TechNet <[log in to unmask]>



Hello Technetters,

Can HICs be restored if the 10% spot turns pink? The new cards have a 60% 
spot that indicates the cards must be discarded if it indicates wet, which 
suggests that the cards can be re-used through a restoration process. Do 
you bake the cards at some temperature for a certain amount of time to 
re-use them?

Thanks,

Blair




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